package com.dqyt.khjc.utils;

import java.util.regex.Pattern;

public class Zzheng {

    public static void main(String[] args) {

        String timeRegex1 = "(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})(\\.)(((0[13578]|1[02])(\\.)(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(\\.)(0[1-9]|[12][0-9]|30))|(02.(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26]))))$";

        String rexp1 = "(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})(\\.)(0[123456789]|1[012]))$";



        System.out.println(Pattern.matches(timeRegex1, "2020.12.31"));



    }
}
